Ciro Santilli's hardware ELEGOO Upgraded Electronics Fun Kit by 
Ciro Santilli 37 Updated 2025-07-27
Ciro Santilli 37 Updated 2025-07-272022-10 ELEGOO Upgraded Electronics Fun Kit www.elegoo.com/products/elegoo-electronics-fun-kits-4-versions Manuals:
- Elegoo Breadboard power supply module MB‐V2:TODO center positive or center negative?Does not come with AC adapter, getting this one: www.amazon.co.uk/dp/B08ZN476FW output: DC 9V 1A Power Supply Adapter, Plug 5.5mm x 2.1mm, Center Positive,B rand: Security-01, input: AC 100-240V 50/60 Hz, Cable length: 1.8mParts list from the ZIP:
- resistors:
- 1n4007 General Purpose Rectifier
- 22pf 104 Ceramic Capacitor
- 4N35 optocoupler
- 74HC595 8-bit serial-in, serial or parallel-out shift register with output latches; 3-state
- Active buzzer
- Buttons
- CDS-55 Photoresistor
- Electrolytic Capacitor
- Focusens MF52D 103f 3950 thermistor. Beta value 25/50 Celcius: 3950. R_25: I measured 9.61 k Ohms. The number 103 they document as:These descriptions are weird, but ChatGPT has the theory that the first two digits are actual values, and the last is multiplier, so which makes 10k.
but I have no idea how that maps to 10 k Ohms. - PN2222 General Purpose Transistor
- Passive buzzer
- 3386p Bourns Precision Potentiometer - 1 103T: from 0 to 10k Ohms, measured with multimeter. According to the manual the "103" mean 10 k oms, which is consistent with our measurement. "P 103" is etched into the part.
- LEDs:
2022: saddle and seat post stolen near home. Burn in Hell, motherfuckers. Bought a seatpost marked SP342 MICROPOST ALLOY 3 30.4mm. Like this: web.archive.org/web/20220208115055/https://www.ebay.co.uk/itm/Lightweight-Alloy-Micropost-Bike-MTB-Seatpost-25-4mm-Seat-Pin-300m-Long-Silver-/402311713393 but 30.4mm. OK, bought the Park Tool PW-5 15mm pedal wrench tool. Wasn't expensive at all.
The exact specs pages is lost forever. Closest one we've got is the 2020: web.archive.org/web/20200927204537/https://www.liv-cycling.com/gb/flourish-2
Seatpost: TODO diameter. Measured in store 30.4mm after original stolen, although 2020 says 30.9. 30.4mm seemed to fit OK, and measuring with ruler gives 30.5/30.6, I don't think a 30.9 can possibly fit.
Saddle: Liv Contact Comfort Plus Saddle, color golden brown. Same as this but blown: www.liv-cycling.com/gb/contact-comfort-plus-saddle-liv Actual color:
Ciro Santilli's hardware Park Tool FR-5.2 Cassette Lockring Tool by Ciro Santilli 37 Updated 2025-07-16
Ciro Santilli 37 Updated 2025-07-16 Ciro Santilli's hardware 2019-12 Bikehut bicycle repair stand by Ciro Santilli 37 Updated 2025-07-16
Ciro Santilli 37 Updated 2025-07-16Maybe I'm an idiot and should have bought a much smaller rear wheel stand, only thought of that later, e.g.: www.amazon.co.uk/dp/B00G7ZO3GE or www.amazon.co.uk/dp/B00SD7NL44
Rope attached to rear rack + door knob: www.youtube.com/watch?v=teUsJt1WL1g
The main four instruments are undoubtedly:but there is also amazing content on others which must not be missed, including:
Infinite Wikipedia instrument list: en.wikipedia.org/wiki/List_of_Chinese_musical_instruments
25 musical instruments OF China by Learning Music Hub
. Source. Great video, covers all the most important ones briefly with examples of varying relevance.Discovered by Marie Curie when she noticed that there was some yet unknown more radioactive element in their raw samples, after uranium and polonium, which she published 6 months prior, had already been separated. Published on December 1989 as: Section "Sur une nouvelle substance fortement radio-active, contenue dans la pechblende".
The uranium 238 decay chain is the main source of naturally occurring radium.
Wikipedia defines Mind uploading as a synonym for whole brain emulation. This sounds really weird, as "mind uploading" suggests much more simply brain dumping, or perhaps reuploading a brain dump to a brain.
Superintelligence by Nick Bostrom (2014) section "Whole brain emulation" provides a reasonable setup: post mortem, take a brain, freeze it, then cut it into fine slices with a Microtome, and then inspect slices with an electron microscope after some kind of staining to determine all the synapses.
Likely implies AGI.
Specifies fixed values.
Can be used for elliptic partial differential equations and parabolic partial differential equations.
Numerical examples:
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